Inconel 686

Catalog : inconel-alloy-686

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Description

Inconel 686

INCONEL ® alloy 686 (UNS N06686/W.Nr. 2.4606) is a single phase, austenitic Ni-Cr-Mo-W alloy offering outstanding corrosion-resistance in a range of severe environments.Its high nickel (Ni) and molybdenum(Mo) provide good resistance in reducing conditions,and high chromium (Cr) offers resistance to oxidizing media. Molybdenum (Mo) and tungsten (W) aid resistance to localized corrosion such as pitting. Iron(Fe) is closely controlled to enhance properties. Low carbon (C) helps minimize grain boundary precipitation to maintain corrosion-resistance in the heat-affected zones of welded joints.

%Chemical Composition

Si S Mn C Fe Ti W Mo Cr Ni
(max) 0.08 (max) 0.02 (max) 0.75 (max) 0.01 (max) 2 0.25 – 0.02 4.4 – 3 17 – 15 23 – 19 Balance

Density & Melting Range

Melting Range (Celsius) Density
1380 – 1338 (g/cm) 8.73

Mechanical Properties

Shear Modulus (MPa) Elastic Modulus (GPa) Yield Strength (MPa) Tensile Strength (MPa)
77 207 364 721.9

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